public unsafe EmitResult Emit(
Stream rebuildPeStream,
Compilation rebuildCompilation,
ImmutableArray <EmbeddedText> embeddedTexts,
CancellationToken cancellationToken)
{
var peHeader = OptionsReader.PeReader.PEHeaders.PEHeader !;
var win32Resources = OptionsReader.PeReader.GetSectionData(peHeader.ResourceTableDirectory.RelativeVirtualAddress);
using var win32ResourceStream = win32Resources.Pointer != null
? new UnmanagedMemoryStream(win32Resources.Pointer, win32Resources.Length)
: null;
var sourceLink = OptionsReader.GetSourceLinkUTF8();
var debugEntryPoint = getDebugEntryPoint();
var emitResult = rebuildCompilation.Emit(
peStream: rebuildPeStream,
pdbStream: null,
xmlDocumentationStream: null,
win32Resources: win32ResourceStream,
useRawWin32Resources: true,
manifestResources: OptionsReader.GetManifestResources(),
options: new EmitOptions(
debugInformationFormat: DebugInformationFormat.Embedded,
highEntropyVirtualAddressSpace: (peHeader.DllCharacteristics & DllCharacteristics.HighEntropyVirtualAddressSpace) != 0,
subsystemVersion: SubsystemVersion.Create(peHeader.MajorSubsystemVersion, peHeader.MinorSubsystemVersion)),
debugEntryPoint: debugEntryPoint,
metadataPEStream: null,
pdbOptionsBlobReader: OptionsReader.GetMetadataCompilationOptionsBlobReader(),
sourceLinkStream: sourceLink != null ? new MemoryStream(sourceLink) : null,
embeddedTexts: embeddedTexts,
cancellationToken: cancellationToken);
return(emitResult);
IMethodSymbol?getDebugEntryPoint()
{
if (OptionsReader.GetMainMethodInfo() is (string mainTypeName, string mainMethodName))
{
var typeSymbol = rebuildCompilation.GetTypeByMetadataName(mainTypeName);
if (typeSymbol is object)
{
var methodSymbols = typeSymbol
.GetMembers(mainMethodName)
.OfType <IMethodSymbol>();
return(methodSymbols.FirstOrDefault());
}
}
return(null);
}
}
IMethodSymbol?getDebugEntryPoint()
{
if (OptionsReader.GetMainMethodInfo() is (string mainTypeName, string mainMethodName))
{
var typeSymbol = rebuildCompilation.GetTypeByMetadataName(mainTypeName);
if (typeSymbol is object)
{
var methodSymbols = typeSymbol
.GetMembers(mainMethodName)
.OfType <IMethodSymbol>();
return(methodSymbols.FirstOrDefault());
}
}
return(null);
}
public unsafe EmitResult Emit(
Stream rebuildPeStream,
Stream?rebuildPdbStream,
Compilation rebuildCompilation,
ImmutableArray <EmbeddedText> embeddedTexts,
CancellationToken cancellationToken)
{
var peHeader = OptionsReader.PeReader.PEHeaders.PEHeader !;
var win32Resources = OptionsReader.PeReader.GetSectionData(peHeader.ResourceTableDirectory.RelativeVirtualAddress);
using var win32ResourceStream = win32Resources.Pointer != null
? new UnmanagedMemoryStream(win32Resources.Pointer, win32Resources.Length)
: null;
var sourceLink = OptionsReader.GetSourceLinkUTF8();
var debugEntryPoint = getDebugEntryPoint();
string?pdbFilePath;
DebugInformationFormat debugInformationFormat;
if (OptionsReader.HasEmbeddedPdb)
{
if (rebuildPdbStream is object)
{
throw new ArgumentException("PDB stream must be null because the compilation has an embedded PDB", nameof(rebuildPdbStream));
}
debugInformationFormat = DebugInformationFormat.Embedded;
pdbFilePath = null;
}
else
{
if (rebuildPdbStream is null)
{
throw new ArgumentException("A non-null PDB stream must be provided because the compilation does not have an embedded PDB", nameof(rebuildPdbStream));
}
debugInformationFormat = DebugInformationFormat.PortablePdb;
var codeViewEntry = OptionsReader.PeReader.ReadDebugDirectory().Single(entry => entry.Type == DebugDirectoryEntryType.CodeView);
var codeView = OptionsReader.PeReader.ReadCodeViewDebugDirectoryData(codeViewEntry);
pdbFilePath = codeView.Path ?? throw new InvalidOperationException("Could not get PDB file path");
}
var emitResult = rebuildCompilation.Emit(
peStream: rebuildPeStream,
pdbStream: rebuildPdbStream,
xmlDocumentationStream: null,
win32Resources: win32ResourceStream,
useRawWin32Resources: true,
manifestResources: OptionsReader.GetManifestResources(),
options: new EmitOptions(
debugInformationFormat: debugInformationFormat,
pdbFilePath: pdbFilePath,
highEntropyVirtualAddressSpace: (peHeader.DllCharacteristics & DllCharacteristics.HighEntropyVirtualAddressSpace) != 0,
subsystemVersion: SubsystemVersion.Create(peHeader.MajorSubsystemVersion, peHeader.MinorSubsystemVersion)),
debugEntryPoint: debugEntryPoint,
metadataPEStream: null,
pdbOptionsBlobReader: OptionsReader.GetMetadataCompilationOptionsBlobReader(),
sourceLinkStream: sourceLink != null ? new MemoryStream(sourceLink) : null,
embeddedTexts: embeddedTexts,
cancellationToken: cancellationToken);
return(emitResult);
IMethodSymbol?getDebugEntryPoint()
{
if (OptionsReader.GetMainMethodInfo() is (string mainTypeName, string mainMethodName))
{
var typeSymbol = rebuildCompilation.GetTypeByMetadataName(mainTypeName);
if (typeSymbol is object)
{
var methodSymbols = typeSymbol
.GetMembers(mainMethodName)
.OfType <IMethodSymbol>();
return(methodSymbols.FirstOrDefault());
}
}
return(null);
}
}